public void NoError()
{
var handler = new GetNextV1MessageHandler();
var context = SnmpContextFactory.Create(
new GetNextRequestMessage(
300,
VersionCode.V1,
new OctetString("lextm"),
new List<Variable>
{
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.1.0"))
}
),
new IPEndPoint(IPAddress.Loopback, 100),
new UserRegistry(),
null,
null);
var store = new ObjectStore();
store.Add(new SysDescr());
store.Add(new SysObjectId());
handler.Handle(context, store);
var noerror = (ResponseMessage)context.Response;
Assert.AreEqual(ErrorCode.NoError, noerror.ErrorStatus);
Assert.AreEqual(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"), noerror.Variables[0].Id);
}
public void EndOfMibViewNonRepeater0()
{
var handler = new GetBulkMessageHandler();
var store = new ObjectStore();
store.Add(new SysDescr());
var context = SnmpContextFactory.Create(
new GetBulkRequestMessage(
300,
VersionCode.V2,
new OctetString("lextm"),
0,
2,
new List<Variable>
{
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"))
}
),
new IPEndPoint(IPAddress.Loopback, 100),
new UserRegistry(),
null,
null);
handler.Handle(context, store);
var endOfMibView = (ResponseMessage)context.Response;
Assert.AreEqual(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"), endOfMibView.Variables[0].Id);
Assert.AreEqual(new EndOfMibView(), endOfMibView.Variables[0].Data);
}
public void GenError()
{
var handler = new GetMessageHandler();
var mock = new Mock<ScalarObject>(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"));
mock.Setup(foo => foo.Data).Throws<Exception>();
mock.Setup(foo => foo.MatchGet(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"))).Returns(mock.Object);
var store = new ObjectStore();
store.Add(mock.Object);
var context = SnmpContextFactory.Create(
new GetRequestMessage(
300,
VersionCode.V1,
new OctetString("lextm"),
new List<Variable>
{
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.2.0"))
}
),
new IPEndPoint(IPAddress.Loopback, 100),
new UserRegistry(),
null,
null);
handler.Handle(context, store);
var genError = (ResponseMessage)context.Response;
Assert.AreEqual(ErrorCode.GenError, genError.ErrorStatus);
}
/// <summary>
/// Initializes a new instance of the <see cref="SnmpApplicationFactory"/> class.
/// </summary>
/// <param name="logger">The logger.</param>
/// <param name="store">The store.</param>
/// <param name="membershipProvider">The membership provider.</param>
/// <param name="factory">The factory.</param>
public SnmpApplicationFactory(ILogger logger, ObjectStore store, IMembershipProvider membershipProvider, MessageHandlerFactory factory)
{
_logger = logger;
_membershipProvider = membershipProvider;
_store = store;
_factory = factory;
}
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
int index = 0;
IList<Variable> result = new List<Variable>();
foreach (Variable v in context.Request.Pdu.Variables)
{
index++;
try
{
ScalarObject next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
context.GenerateResponse(result);
}
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
int index = 0;
ErrorCode status = ErrorCode.NoError;
IList<Variable> result = new List<Variable>();
foreach (Variable v in context.Request.Pdu.Variables)
{
index++;
ScalarObject obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoSuchName;
}
catch (ArgumentException)
{
status = ErrorCode.BadValue;
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NoSuchName;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var status = ErrorCode.NoError;
var index = 0;
IList<Variable> result = new List<Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
var obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
var item = obj.Variable;
result.Add(item);
}
catch (AccessFailureException)
{
status = ErrorCode.NoSuchName;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
else
{
status = ErrorCode.NoSuchName;
}
if (status == ErrorCode.NoError)
{
continue;
}
context.CopyRequest(status, index);
return;
}
context.GenerateResponse(result);
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
InvokeMessageReceived(new MessageReceivedEventArgs<TrapV2Message>(context.Sender, (TrapV2Message)context.Request, context.Binding));
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
InvokeMessageReceived(new MessageReceivedEventArgs<InformRequestMessage>(context.Sender, (InformRequestMessage)context.Request, context.Binding));
context.CopyRequest(ErrorCode.NoError, 0);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var status = ErrorCode.NoError;
var index = 0;
IList<Variable> result = new List<Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
try
{
var next = store.GetNextObject(v.Id);
if (next == null)
{
status = ErrorCode.NoSuchName;
}
else
{
// TODO: how to handle write only object here?
result.Add(next.Variable);
}
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
if (status == ErrorCode.NoError)
{
continue;
}
context.CopyRequest(status, index);
return;
}
context.GenerateResponse(result);
}
public static void Main(string[] args)
{
if (args.Length != 0)
{
return;
}
var users = new UserRegistry();
users.Add(new OctetString("neither"), DefaultPrivacyProvider.DefaultPair);
users.Add(new OctetString("authen"), new DefaultPrivacyProvider(new MD5AuthenticationProvider(new OctetString("authentication"))));
users.Add(new OctetString("privacy"), new DESPrivacyProvider(new OctetString("privacyphrase"),
new MD5AuthenticationProvider(new OctetString("authentication"))));
var trapv1 = new TrapV1MessageHandler();
trapv1.MessageReceived += WatcherTrapV1Received;
var trapv1Mapping = new HandlerMapping("v1", "TRAPV1", trapv1);
var trapv2 = new TrapV2MessageHandler();
trapv2.MessageReceived += WatcherTrapV2Received;
var trapv2Mapping = new HandlerMapping("v2,v3", "TRAPV2", trapv2);
var inform = new InformRequestMessageHandler();
inform.MessageReceived += WatcherInformRequestReceived;
var informMapping = new HandlerMapping("v2,v3", "INFORM", inform);
var store = new ObjectStore();
var v1 = new Version1MembershipProvider(new OctetString("public"), new OctetString("public"));
var v2 = new Version2MembershipProvider(new OctetString("public"), new OctetString("public"));
var v3 = new Version3MembershipProvider();
var membership = new ComposedMembershipProvider(new IMembershipProvider[] {v1, v2, v3});
var handlerFactory = new MessageHandlerFactory(new[] {trapv1Mapping, trapv2Mapping, informMapping});
var pipelineFactory = new SnmpApplicationFactory(store, membership, handlerFactory);
using (var engine = new SnmpEngine(pipelineFactory, new Listener { Users = users }, new EngineGroup()))
{
engine.Listener.AddBinding(new IPEndPoint(IPAddress.Any, 162));
engine.Start();
Console.WriteLine("#SNMP is available at http://sharpsnmplib.codeplex.com");
Console.WriteLine("Press any key to stop . . . ");
Console.Read();
engine.Stop();
}
}
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
int index = 0;
IList<Variable> result = new List<Variable>();
foreach (Variable v in context.Request.Pdu.Variables)
{
index++;
try
{
ScalarObject obj = store.GetObject(v.Id);
if (obj == null)
{
result.Add(new Variable(v.Id, new NoSuchInstance()));
}
else
{
Variable item = obj.Variable;
result.Add(item);
}
}
catch (AccessFailureException)
{
result.Add(new Variable(v.Id, new NoSuchObject()));
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
context.GenerateResponse(result);
}
public void NoSuchInstance()
{
var handler = new GetMessageHandler();
var context = SnmpContextFactory.Create(
new GetRequestMessage(
300,
VersionCode.V1,
new OctetString("lextm"),
new List<Variable>
{
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.1.0"))
}
),
new IPEndPoint(IPAddress.Loopback, 100),
new UserRegistry(),
null,
null);
var store = new ObjectStore();
handler.Handle(context, store);
var nosuchinstance = (ResponseMessage)context.Response;
Assert.AreEqual(new NoSuchInstance(), nosuchinstance.Variables[0].Data);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var pdu = context.Request.Pdu();
IList<Variable> result = new List<Variable>();
var index = 0;
var nonrepeaters = pdu.ErrorStatus.ToInt32();
var variables = pdu.Variables;
for (var i = 0; i < nonrepeaters; i++)
{
var v = variables[i];
index++;
try
{
var next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
for (var j = nonrepeaters; j < variables.Count; j++)
{
var v = variables[j];
index++;
var temp = v;
var repetition = pdu.ErrorIndex.ToInt32();
while (repetition-- > 0)
{
try
{
var next = store.GetNextObject(temp.Id);
if (next == null)
{
temp = new Variable(temp.Id, new EndOfMibView());
result.Add(temp);
break;
}
// TODO: how to handle write only object here?
result.Add(next.Variable);
temp = next.Variable;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
}
context.GenerateResponse(result);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (store == null)
{
throw new ArgumentNullException(nameof(store));
}
var pdu = context.Request.Pdu();
List <Variable> result = Pools.GetVariableList();
var index = 0;
var nonrepeaters = pdu.ErrorStatus.ToInt32();
var variables = pdu.Variables;
for (var i = 0; i < nonrepeaters; i++)
{
var v = variables[i];
index++;
try
{
var next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
for (var j = nonrepeaters; j < variables.Count; j++)
{
var v = variables[j];
index++;
var temp = v;
var repetition = pdu.ErrorIndex.ToInt32();
while (repetition-- > 0)
{
try
{
var next = store.GetNextObject(temp.Id);
if (next == null)
{
temp = new Variable(temp.Id, new EndOfMibView());
result.Add(temp);
break;
}
// TODO: how to handle write only object here?
result.Add(next.Variable);
temp = next.Variable;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
}
context.GenerateResponse(result);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
context.CopyRequest(ErrorCode.InconsistentName, int.MaxValue);
if (context.TooBig)
{
context.GenerateTooBig();
return;
}
var index = 0;
var status = ErrorCode.NoError;
IList <Variable> result = new List <Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
var obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoAccess;
}
catch (ArgumentException)
{
status = ErrorCode.WrongType;
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NotWritable;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="SnmpApplicationFactory"/> class.
/// </summary>
/// <param name="store">The store.</param>
/// <param name="membershipProvider">The membership provider.</param>
/// <param name="factory">The factory.</param>
public SnmpApplicationFactory(ObjectStore store, IMembershipProvider membershipProvider, MessageHandlerFactory factory)
: this(null, store, membershipProvider, factory) // TODO: handle the null case in the future.
{
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
context.CopyRequest(ErrorCode.InconsistentName, int.MaxValue);
if (context.TooBig)
{
context.GenerateTooBig();
return;
}
var index = 0;
var status = ErrorCode.NoError;
IList<Variable> result = new List<Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
var obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoAccess;
}
catch (ArgumentException)
{
status = ErrorCode.WrongType;
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NotWritable;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(SnmpContext context, ObjectStore store)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SnmpApplicationFactory"/> class.
/// </summary>
/// <param name="store">The store.</param>
/// <param name="membershipProvider">The membership provider.</param>
/// <param name="factory">The factory.</param>
public SnmpApplicationFactory(ObjectStore store, IMembershipProvider membershipProvider, MessageHandlerFactory factory)
: this(null, store, membershipProvider, factory) // TODO: handle the null case in the future.
{
}
public MainForm()
{
// TODO: this is a hack. review it later.
var store = new ObjectStore();
store.Add(new SysDescr());
store.Add(new SysObjectId());
store.Add(new SysUpTime());
store.Add(new SysContact());
store.Add(new SysName());
store.Add(new SysLocation());
store.Add(new SysServices());
store.Add(new SysORLastChange());
store.Add(new SysORTable());
store.Add(new IfNumber());
store.Add(new IfTable());
var users = new UserRegistry();
users.Add(new OctetString("neither"), DefaultPrivacyProvider.DefaultPair);
users.Add(new OctetString("authen"), new DefaultPrivacyProvider(new MD5AuthenticationProvider(new OctetString("authentication"))));
users.Add(new OctetString("privacy"), new DESPrivacyProvider(new OctetString("privacyphrase"),
new MD5AuthenticationProvider(new OctetString("authentication"))));
var getv1 = new GetV1MessageHandler();
var getv1Mapping = new HandlerMapping("v1", "GET", getv1);
var getv23 = new GetMessageHandler();
var getv23Mapping = new HandlerMapping("v2,v3", "GET", getv23);
var setv1 = new SetV1MessageHandler();
var setv1Mapping = new HandlerMapping("v1", "SET", setv1);
var setv23 = new SetMessageHandler();
var setv23Mapping = new HandlerMapping("v2,v3", "SET", setv23);
var getnextv1 = new GetNextV1MessageHandler();
var getnextv1Mapping = new HandlerMapping("v1", "GETNEXT", getnextv1);
var getnextv23 = new GetNextMessageHandler();
var getnextv23Mapping = new HandlerMapping("v2,v3", "GETNEXT", getnextv23);
var getbulk = new GetBulkMessageHandler();
var getbulkMapping = new HandlerMapping("v2,v3", "GETBULK", getbulk);
var v1 = new Version1MembershipProvider(new OctetString("public"), new OctetString("public"));
var v2 = new Version2MembershipProvider(new OctetString("public"), new OctetString("public"));
var v3 = new Version3MembershipProvider();
var membership = new ComposedMembershipProvider(new IMembershipProvider[] { v1, v2, v3 });
var handlerFactory = new MessageHandlerFactory(new[]
{
getv1Mapping,
getv23Mapping,
setv1Mapping,
setv23Mapping,
getnextv1Mapping,
getnextv23Mapping,
getbulkMapping
});
var pipelineFactory = new SnmpApplicationFactory(new RollingLogger(), store, membership, handlerFactory);
_engine = new SnmpEngine(pipelineFactory, new Listener { Users = users }, new EngineGroup());
_engine.ExceptionRaised += (sender, e) => MessageBox.Show(e.Exception.ToString());
InitializeComponent();
if (PlatformSupport.Platform == PlatformType.Windows)
{
// FIXME: work around a Mono WinForms issue.
Icon = Properties.Resources.network_server;
}
actEnabled.Image = Properties.Resources.media_playback_start;
tstxtPort.Text = @"161";
tscbIP.Items.Add(StrAllUnassigned);
foreach (IPAddress address in Dns.GetHostEntry(string.Empty).AddressList.Where(address => !address.IsIPv6LinkLocal))
{
tscbIP.Items.Add(address);
}
tscbIP.SelectedIndex = 0;
}
public void NotWritable()
{
var handler = new SetMessageHandler();
var context = SnmpContextFactory.Create(
new SetRequestMessage(
300,
VersionCode.V1,
new OctetString("lextm"),
new List<Variable>
{
new Variable(new ObjectIdentifier("1.3.6.1.2.1.1.4.0"), new OctetString("test"))
}
),
new IPEndPoint(IPAddress.Loopback, 100),
new UserRegistry(),
null,
null);
var store = new ObjectStore();
handler.Handle(context, store);
var notWritable = (ResponseMessage)context.Response;
Assert.AreEqual(ErrorCode.NotWritable, notWritable.ErrorStatus);
}
private SnmpEngine CreateEngine()
{
// TODO: this is a hack. review it later.
var store = new ObjectStore();
store.Add(new SysDescr());
store.Add(new SysObjectId());
store.Add(new SysUpTime());
store.Add(new SysContact());
store.Add(new SysName());
store.Add(new SysLocation());
store.Add(new SysServices());
store.Add(new SysORLastChange());
store.Add(new SysORTable());
store.Add(new IfNumber());
store.Add(new IfTable());
var users = new UserRegistry();
users.Add(new OctetString("neither"), DefaultPrivacyProvider.DefaultPair);
users.Add(new OctetString("authen"), new DefaultPrivacyProvider(new MD5AuthenticationProvider(new OctetString("authentication"))));
users.Add(new OctetString("privacy"), new DESPrivacyProvider(new OctetString("privacyphrase"),
new MD5AuthenticationProvider(new OctetString("authentication"))));
var getv1 = new GetV1MessageHandler();
var getv1Mapping = new HandlerMapping("v1", "GET", getv1);
var getv23 = new GetMessageHandler();
var getv23Mapping = new HandlerMapping("v2,v3", "GET", getv23);
var setv1 = new SetV1MessageHandler();
var setv1Mapping = new HandlerMapping("v1", "SET", setv1);
var setv23 = new SetMessageHandler();
var setv23Mapping = new HandlerMapping("v2,v3", "SET", setv23);
var getnextv1 = new GetNextV1MessageHandler();
var getnextv1Mapping = new HandlerMapping("v1", "GETNEXT", getnextv1);
var getnextv23 = new GetNextMessageHandler();
var getnextv23Mapping = new HandlerMapping("v2,v3", "GETNEXT", getnextv23);
var getbulk = new GetBulkMessageHandler();
var getbulkMapping = new HandlerMapping("v2,v3", "GETBULK", getbulk);
var v1 = new Version1MembershipProvider(new OctetString("public"), new OctetString("public"));
var v2 = new Version2MembershipProvider(new OctetString("public"), new OctetString("public"));
var v3 = new Version3MembershipProvider();
var membership = new ComposedMembershipProvider(new IMembershipProvider[] { v1, v2, v3 });
var handlerFactory = new MessageHandlerFactory(new[]
{
getv1Mapping,
getv23Mapping,
setv1Mapping,
setv23Mapping,
getnextv1Mapping,
getnextv23Mapping,
getbulkMapping
});
var pipelineFactory = new SnmpApplicationFactory(store, membership, handlerFactory);
return new SnmpEngine(pipelineFactory, new Listener { Users = users }, new EngineGroup());
}
public void Handle(SnmpContext context, ObjectStore store)
{
if (store == null)
{
throw new ArgumentNullException("store");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
ISnmpPdu pdu = context.Request.Pdu;
IList <Variable> result = new List <Variable>();
int index = 0;
int nonrepeaters = pdu.ErrorStatus.ToInt32();
var variables = pdu.Variables;
for (int i = 0; i < nonrepeaters; i++)
{
Variable v = variables[i];
index++;
try
{
ScalarObject next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
for (int j = nonrepeaters; j < variables.Count; j++)
{
Variable v = variables[j];
index++;
Variable temp = v;
int repetition = pdu.ErrorIndex.ToInt32();
while (repetition-- > 0)
{
try
{
ScalarObject next = store.GetNextObject(temp.Id);
if (next == null)
{
temp = new Variable(temp.Id, new EndOfMibView());
result.Add(temp);
break;
}
// TODO: how to handle write only object here?
result.Add(next.Variable);
temp = next.Variable;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
}
context.GenerateResponse(result);
}
